Sony HCD-HDX265 Service Manual page 7

HOW TO IDENTIFY OPTICAL PICK-UP BLOCK
OPTICAL PICK-UP BLOCK
HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF
Turn gear (BU1) from a hole at the bottom,
and pull out a tray.
HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
Note: There are two kinds of OPTICAL PICK-UP BLOCK in this set.
When replacing the OPTICAL PICK-UP BLOCK, make sure which
OPTICAL PICK-UP BLOCK it is following the "How to Identify"
in the figure shown below.
gear (BU1)
Printed of KHM-310CAB or KHM-313CAB.
tray
7